• KOYO ACT Matched Pair Angular Contact Bearings for Axial Loads
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KOYO ACT Matched Pair Angular Contact Bearings for Axial Loads

KOYO ACT Matched Pair Angular Contact Bearings for Axial Loads

ACT series matched pair angular contact ball bearings (DB arrangement) designed for axial load support in machine tool spindles, an alternative to double direction angular contact thrust ball bearings.

Key features

  • Matched pair for axial loads in both directions
  • High-speed capability
  • Interchangeable with double direction thrust bearings in many spindles
  • Preload set at factory

Specifications

Bearing type Matched pair angular contact ball bearing
Series ACT..DB
Application Machine tool spindles
Source KOYO Special Bearings catalogue, p. C56-C61
ACT006DB d: 30 mm | D: 55 mm | B (pair): 24 mm | Ca: 15.1 kN | C0a: 26.6 kN | Mass: 0.235 kg
ACT006BDB d: 30 mm | D: 55 mm | B (pair): 24 mm | Ca: 18.1 kN | C0a: 30.5 kN | Mass: 0.235 kg
ACT007DB d: 35 mm | D: 62 mm | B (pair): 25.5 mm | Ca: 15.8 kN | C0a: 30.2 kN | Mass: 0.312 kg
ACT007BDB d: 35 mm | D: 62 mm | B (pair): 25.5 mm | Ca: 18.9 kN | C0a: 34.5 kN | Mass: 0.312 kg
ACT008DB d: 40 mm | D: 68 mm | B (pair): 27 mm | Ca: 16.5 kN | C0a: 33.8 kN | Mass: 0.391 kg
ACT008BDB d: 40 mm | D: 68 mm | B (pair): 27 mm | Ca: 19.6 kN | C0a: 37.7 kN | Mass: 0.391 kg
ACT009DB d: 45 mm | D: 75 mm | B (pair): 28.5 mm | Ca: 18.4 kN | C0a: 38.6 kN | Mass: 0.536 kg
ACT009BDB d: 45 mm | D: 75 mm | B (pair): 28.5 mm | Ca: 21.8 kN | C0a: 42.7 kN | Mass: 0.536 kg
ACT010DB d: 50 mm | D: 80 mm | B (pair): 28.5 mm | Ca: 19.1 kN | C0a: 41.7 kN | Mass: 0.551 kg
ACT010BDB d: 50 mm | D: 80 mm | B (pair): 28.5 mm | Ca: 22.7 kN | C0a: 46.3 kN | Mass: 0.551 kg
ACT011DB d: 55 mm | D: 90 mm | B (pair): 33 mm | Ca: 23.7 kN | C0a: 52.8 kN | Mass: 0.831 kg
ACT011BDB d: 55 mm | D: 90 mm | B (pair): 33 mm | Ca: 28.1 kN | C0a: 58.6 kN | Mass: 0.831 kg
ACT012DB d: 60 mm | D: 95 mm | B (pair): 33 mm | Ca: 24.6 kN | C0a: 56.9 kN | Mass: 0.887 kg
ACT012BDB d: 60 mm | D: 95 mm | B (pair): 33 mm | Ca: 29.1 kN | C0a: 63.1 kN | Mass: 0.887 kg
ACT013DB d: 65 mm | D: 100 mm | B (pair): 33 mm | Ca: 25.4 kN | C0a: 60.9 kN | Mass: 0.943 kg
ACT013BDB d: 65 mm | D: 100 mm | B (pair): 33 mm | Ca: 30.1 kN | C0a: 67.6 kN | Mass: 0.945 kg
ACT014DB d: 70 mm | D: 110 mm | B (pair): 36 mm | Ca: 34.8 kN | C0a: 82.1 kN | Mass: 1.33 kg
ACT014BDB d: 70 mm | D: 110 mm | B (pair): 36 mm | Ca: 41.3 kN | C0a: 91.1 kN | Mass: 1.33 kg
ACT015DB d: 75 mm | D: 115 mm | B (pair): 36 mm | Ca: 35.3 kN | C0a: 84.9 kN | Mass: 1.35 kg
ACT015BDB d: 75 mm | D: 115 mm | B (pair): 36 mm | Ca: 41.8 kN | C0a: 94.2 kN | Mass: 1.35 kg
ACT016DB d: 80 mm | D: 125 mm | B (pair): 40.5 mm | Ca: 41.3 kN | C0a: 101 kN | Mass: 1.86 kg
ACT016BDB d: 80 mm | D: 125 mm | B (pair): 40.5 mm | Ca: 49.1 kN | C0a: 112 kN | Mass: 1.86 kg
ACT017DB d: 85 mm | D: 130 mm | B (pair): 40.5 mm | Ca: 41.9 kN | C0a: 105 kN | Mass: 1.94 kg
ACT017BDB d: 85 mm | D: 130 mm | B (pair): 40.5 mm | Ca: 49.7 kN | C0a: 116 kN | Mass: 1.94 kg
ACT018DB d: 90 mm | D: 140 mm | B (pair): 45 mm | Ca: 55.0 kN | C0a: 138 kN | Mass: 2.55 kg
ACT018BDB d: 90 mm | D: 140 mm | B (pair): 45 mm | Ca: 65.3 kN | C0a: 153 kN | Mass: 2.55 kg
ACT019DB d: 95 mm | D: 145 mm | B (pair): 45 mm | Ca: 55.8 kN | C0a: 143 kN | Mass: 2.62 kg
ACT019BDB d: 95 mm | D: 145 mm | B (pair): 45 mm | Ca: 66.3 kN | C0a: 159 kN | Mass: 2.62 kg
ACT020DB d: 100 mm | D: 150 mm | B (pair): 45 mm | Ca: 56.6 kN | C0a: 148 kN | Mass: 2.77 kg
ACT020BDB d: 100 mm | D: 150 mm | B (pair): 45 mm | Ca: 67.2 kN | C0a: 164 kN | Mass: 2.77 kg
ACT021DB d: 105 mm | D: 160 mm | B (pair): 49.5 mm | Ca: 64.4 kN | C0a: 170 kN | Mass: 3.61 kg
ACT021BDB d: 105 mm | D: 160 mm | B (pair): 49.5 mm | Ca: 76.4 kN | C0a: 188 kN | Mass: 3.61 kg
ACT022DB d: 110 mm | D: 170 mm | B (pair): 54 mm | Ca: 72.4 kN | C0a: 193 kN | Mass: 4.52 kg
ACT022BDB d: 110 mm | D: 170 mm | B (pair): 54 mm | Ca: 86.0 kN | C0a: 214 kN | Mass: 4.52 kg
ACT024DB d: 120 mm | D: 180 mm | B (pair): 54 mm | Ca: 74.6 kN | C0a: 206 kN | Mass: 4.83 kg
ACT024BDB d: 120 mm | D: 180 mm | B (pair): 54 mm | Ca: 88.4 kN | C0a: 228 kN | Mass: 4.83 kg
ACT026DB d: 130 mm | D: 200 mm | B (pair): 63 mm | Ca: 94.2 kN | C0a: 253 kN | Mass: 7.21 kg
ACT026BDB d: 130 mm | D: 200 mm | B (pair): 63 mm | Ca: 112 kN | C0a: 281 kN | Mass: 7.21 kg
ACT028DB d: 140 mm | D: 210 mm | B (pair): 63 mm | Ca: 102 kN | C0a: 290 kN | Mass: 7.69 kg
ACT028BDB d: 140 mm | D: 210 mm | B (pair): 63 mm | Ca: 121 kN | C0a: 323 kN | Mass: 7.65 kg
ACT030DB d: 150 mm | D: 225 mm | B (pair): 67.5 mm | Ca: 120 kN | C0a: 344 kN | Mass: 9.39 kg
ACT030BDB d: 150 mm | D: 225 mm | B (pair): 67.5 mm | Ca: 143 kN | C0a: 382 kN | Mass: 9.39 kg
ACT032DB d: 160 mm | D: 240 mm | B (pair): 72 mm | Ca: 130 kN | C0a: 377 kN | Mass: 11.4 kg
ACT032BDB d: 160 mm | D: 240 mm | B (pair): 72 mm | Ca: 155 kN | C0a: 419 kN | Mass: 11.4 kg
ACT034DB d: 170 mm | D: 260 mm | B (pair): 81 mm | Ca: 153 kN | C0a: 449 kN | Mass: 15.7 kg
ACT034BDB d: 170 mm | D: 260 mm | B (pair): 81 mm | Ca: 181 kN | C0a: 499 kN | Mass: 15.7 kg
ACT036DB d: 180 mm | D: 280 mm | B (pair): 90 mm | Ca: 173 kN | C0a: 510 kN | Mass: 22.2 kg
ACT036BDB d: 180 mm | D: 280 mm | B (pair): 90 mm | Ca: 205 kN | C0a: 566 kN | Mass: 22.2 kg
ACT038DB d: 190 mm | D: 290 mm | B (pair): 90 mm | Ca: 179 kN | C0a: 544 kN | Mass: 23.0 kg
ACT038BDB d: 190 mm | D: 290 mm | B (pair): 90 mm | Ca: 213 kN | C0a: 604 kN | Mass: 23.0 kg
ACT040DB d: 200 mm | D: 310 mm | B (pair): 99 mm | Ca: 215 kN | C0a: 633 kN | Mass: 29.5 kg
ACT040BDB d: 200 mm | D: 310 mm | B (pair): 99 mm | Ca: 255 kN | C0a: 702 kN | Mass: 29.5 kg
ACT044DB d: 220 mm | D: 340 mm | B (pair): 108 mm | Ca: 252 kN | C0a: 773 kN | Mass: 38.5 kg
ACT044BDB d: 220 mm | D: 340 mm | B (pair): 108 mm | Ca: 299 kN | C0a: 858 kN | Mass: 38.5 kg
ACT048DB d: 240 mm | D: 360 mm | B (pair): 108 mm | Ca: 260 kN | C0a: 823 kN | Mass: 41.1 kg
ACT048BDB d: 240 mm | D: 360 mm | B (pair): 108 mm | Ca: 308 kN | C0a: 914 kN | Mass: 41.1 kg
ACT052DB d: 260 mm | D: 400 mm | B (pair): 123 mm | Ca: 321 kN | C0a: 1 090 kN | Mass: 60.5 kg
ACT052BDB d: 260 mm | D: 400 mm | B (pair): 123 mm | Ca: 381 kN | C0a: 1 210 kN | Mass: 60.5 kg
ACT056DB d: 280 mm | D: 420 mm | B (pair): 123 mm | Ca: 332 kN | C0a: 1 160 kN | Mass: 64.1 kg
ACT056BDB d: 280 mm | D: 420 mm | B (pair): 123 mm | Ca: 393 kN | C0a: 1 290 kN | Mass: 64.1 kg
ACT060DB d: 300 mm | D: 460 mm | B (pair): 142.5 mm | Ca: 375 kN | C0a: 1 370 kN | Mass: 92.1 kg
ACT060BDB d: 300 mm | D: 460 mm | B (pair): 142.5 mm | Ca: 444 kN | C0a: 1 530 kN | Mass: 92.1 kg
ACT064DB d: 320 mm | D: 480 mm | B (pair): 142.5 mm | Ca: 378 kN | C0a: 1 420 kN | Mass: 96.9 kg
ACT064BDB d: 320 mm | D: 480 mm | B (pair): 142.5 mm | Ca: 449 kN | C0a: 1 570 kN | Mass: 96.9 kg
Angular Contact Ball BearingsKOYO
64 product codes available in this family
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KOYO ACT Matched Pair Angular Contact Bearings for Axial Loads

Brand KOYO·Angular Contact Ball Bearings

Available part numbers (64)

ACT006DB, ACT006BDB, ACT007DB, ACT007BDB, ACT008DB, ACT008BDB, ACT009DB, ACT009BDB, ACT010DB, ACT010BDB + 54 more — see full table ↓

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Product codes & specifications
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Product codeSpec
ACT006DBd: 30 mm | D: 55 mm | B (pair): 24 mm | Ca: 15.1 kN | C0a: 26.6 kN | Mass: 0.235 kg
ACT006BDBd: 30 mm | D: 55 mm | B (pair): 24 mm | Ca: 18.1 kN | C0a: 30.5 kN | Mass: 0.235 kg
ACT007DBd: 35 mm | D: 62 mm | B (pair): 25.5 mm | Ca: 15.8 kN | C0a: 30.2 kN | Mass: 0.312 kg
ACT007BDBd: 35 mm | D: 62 mm | B (pair): 25.5 mm | Ca: 18.9 kN | C0a: 34.5 kN | Mass: 0.312 kg
ACT008DBd: 40 mm | D: 68 mm | B (pair): 27 mm | Ca: 16.5 kN | C0a: 33.8 kN | Mass: 0.391 kg
ACT008BDBd: 40 mm | D: 68 mm | B (pair): 27 mm | Ca: 19.6 kN | C0a: 37.7 kN | Mass: 0.391 kg
ACT009DBd: 45 mm | D: 75 mm | B (pair): 28.5 mm | Ca: 18.4 kN | C0a: 38.6 kN | Mass: 0.536 kg
ACT009BDBd: 45 mm | D: 75 mm | B (pair): 28.5 mm | Ca: 21.8 kN | C0a: 42.7 kN | Mass: 0.536 kg
ACT010DBd: 50 mm | D: 80 mm | B (pair): 28.5 mm | Ca: 19.1 kN | C0a: 41.7 kN | Mass: 0.551 kg
ACT010BDBd: 50 mm | D: 80 mm | B (pair): 28.5 mm | Ca: 22.7 kN | C0a: 46.3 kN | Mass: 0.551 kg
ACT011DBd: 55 mm | D: 90 mm | B (pair): 33 mm | Ca: 23.7 kN | C0a: 52.8 kN | Mass: 0.831 kg
ACT011BDBd: 55 mm | D: 90 mm | B (pair): 33 mm | Ca: 28.1 kN | C0a: 58.6 kN | Mass: 0.831 kg
ACT012DBd: 60 mm | D: 95 mm | B (pair): 33 mm | Ca: 24.6 kN | C0a: 56.9 kN | Mass: 0.887 kg
ACT012BDBd: 60 mm | D: 95 mm | B (pair): 33 mm | Ca: 29.1 kN | C0a: 63.1 kN | Mass: 0.887 kg
ACT013DBd: 65 mm | D: 100 mm | B (pair): 33 mm | Ca: 25.4 kN | C0a: 60.9 kN | Mass: 0.943 kg
ACT013BDBd: 65 mm | D: 100 mm | B (pair): 33 mm | Ca: 30.1 kN | C0a: 67.6 kN | Mass: 0.945 kg
ACT014DBd: 70 mm | D: 110 mm | B (pair): 36 mm | Ca: 34.8 kN | C0a: 82.1 kN | Mass: 1.33 kg
ACT014BDBd: 70 mm | D: 110 mm | B (pair): 36 mm | Ca: 41.3 kN | C0a: 91.1 kN | Mass: 1.33 kg
ACT015DBd: 75 mm | D: 115 mm | B (pair): 36 mm | Ca: 35.3 kN | C0a: 84.9 kN | Mass: 1.35 kg
ACT015BDBd: 75 mm | D: 115 mm | B (pair): 36 mm | Ca: 41.8 kN | C0a: 94.2 kN | Mass: 1.35 kg
ACT016DBd: 80 mm | D: 125 mm | B (pair): 40.5 mm | Ca: 41.3 kN | C0a: 101 kN | Mass: 1.86 kg
ACT016BDBd: 80 mm | D: 125 mm | B (pair): 40.5 mm | Ca: 49.1 kN | C0a: 112 kN | Mass: 1.86 kg
ACT017DBd: 85 mm | D: 130 mm | B (pair): 40.5 mm | Ca: 41.9 kN | C0a: 105 kN | Mass: 1.94 kg
ACT017BDBd: 85 mm | D: 130 mm | B (pair): 40.5 mm | Ca: 49.7 kN | C0a: 116 kN | Mass: 1.94 kg
ACT018DBd: 90 mm | D: 140 mm | B (pair): 45 mm | Ca: 55.0 kN | C0a: 138 kN | Mass: 2.55 kg
ACT018BDBd: 90 mm | D: 140 mm | B (pair): 45 mm | Ca: 65.3 kN | C0a: 153 kN | Mass: 2.55 kg
ACT019DBd: 95 mm | D: 145 mm | B (pair): 45 mm | Ca: 55.8 kN | C0a: 143 kN | Mass: 2.62 kg
ACT019BDBd: 95 mm | D: 145 mm | B (pair): 45 mm | Ca: 66.3 kN | C0a: 159 kN | Mass: 2.62 kg
ACT020DBd: 100 mm | D: 150 mm | B (pair): 45 mm | Ca: 56.6 kN | C0a: 148 kN | Mass: 2.77 kg
ACT020BDBd: 100 mm | D: 150 mm | B (pair): 45 mm | Ca: 67.2 kN | C0a: 164 kN | Mass: 2.77 kg
ACT021DBd: 105 mm | D: 160 mm | B (pair): 49.5 mm | Ca: 64.4 kN | C0a: 170 kN | Mass: 3.61 kg
ACT021BDBd: 105 mm | D: 160 mm | B (pair): 49.5 mm | Ca: 76.4 kN | C0a: 188 kN | Mass: 3.61 kg
ACT022DBd: 110 mm | D: 170 mm | B (pair): 54 mm | Ca: 72.4 kN | C0a: 193 kN | Mass: 4.52 kg
ACT022BDBd: 110 mm | D: 170 mm | B (pair): 54 mm | Ca: 86.0 kN | C0a: 214 kN | Mass: 4.52 kg
ACT024DBd: 120 mm | D: 180 mm | B (pair): 54 mm | Ca: 74.6 kN | C0a: 206 kN | Mass: 4.83 kg
ACT024BDBd: 120 mm | D: 180 mm | B (pair): 54 mm | Ca: 88.4 kN | C0a: 228 kN | Mass: 4.83 kg
ACT026DBd: 130 mm | D: 200 mm | B (pair): 63 mm | Ca: 94.2 kN | C0a: 253 kN | Mass: 7.21 kg
ACT026BDBd: 130 mm | D: 200 mm | B (pair): 63 mm | Ca: 112 kN | C0a: 281 kN | Mass: 7.21 kg
ACT028DBd: 140 mm | D: 210 mm | B (pair): 63 mm | Ca: 102 kN | C0a: 290 kN | Mass: 7.69 kg
ACT028BDBd: 140 mm | D: 210 mm | B (pair): 63 mm | Ca: 121 kN | C0a: 323 kN | Mass: 7.65 kg
ACT030DBd: 150 mm | D: 225 mm | B (pair): 67.5 mm | Ca: 120 kN | C0a: 344 kN | Mass: 9.39 kg
ACT030BDBd: 150 mm | D: 225 mm | B (pair): 67.5 mm | Ca: 143 kN | C0a: 382 kN | Mass: 9.39 kg
ACT032DBd: 160 mm | D: 240 mm | B (pair): 72 mm | Ca: 130 kN | C0a: 377 kN | Mass: 11.4 kg
ACT032BDBd: 160 mm | D: 240 mm | B (pair): 72 mm | Ca: 155 kN | C0a: 419 kN | Mass: 11.4 kg
ACT034DBd: 170 mm | D: 260 mm | B (pair): 81 mm | Ca: 153 kN | C0a: 449 kN | Mass: 15.7 kg
ACT034BDBd: 170 mm | D: 260 mm | B (pair): 81 mm | Ca: 181 kN | C0a: 499 kN | Mass: 15.7 kg
ACT036DBd: 180 mm | D: 280 mm | B (pair): 90 mm | Ca: 173 kN | C0a: 510 kN | Mass: 22.2 kg
ACT036BDBd: 180 mm | D: 280 mm | B (pair): 90 mm | Ca: 205 kN | C0a: 566 kN | Mass: 22.2 kg
ACT038DBd: 190 mm | D: 290 mm | B (pair): 90 mm | Ca: 179 kN | C0a: 544 kN | Mass: 23.0 kg
ACT038BDBd: 190 mm | D: 290 mm | B (pair): 90 mm | Ca: 213 kN | C0a: 604 kN | Mass: 23.0 kg
ACT040DBd: 200 mm | D: 310 mm | B (pair): 99 mm | Ca: 215 kN | C0a: 633 kN | Mass: 29.5 kg
ACT040BDBd: 200 mm | D: 310 mm | B (pair): 99 mm | Ca: 255 kN | C0a: 702 kN | Mass: 29.5 kg
ACT044DBd: 220 mm | D: 340 mm | B (pair): 108 mm | Ca: 252 kN | C0a: 773 kN | Mass: 38.5 kg
ACT044BDBd: 220 mm | D: 340 mm | B (pair): 108 mm | Ca: 299 kN | C0a: 858 kN | Mass: 38.5 kg
ACT048DBd: 240 mm | D: 360 mm | B (pair): 108 mm | Ca: 260 kN | C0a: 823 kN | Mass: 41.1 kg
ACT048BDBd: 240 mm | D: 360 mm | B (pair): 108 mm | Ca: 308 kN | C0a: 914 kN | Mass: 41.1 kg
ACT052DBd: 260 mm | D: 400 mm | B (pair): 123 mm | Ca: 321 kN | C0a: 1 090 kN | Mass: 60.5 kg
ACT052BDBd: 260 mm | D: 400 mm | B (pair): 123 mm | Ca: 381 kN | C0a: 1 210 kN | Mass: 60.5 kg
ACT056DBd: 280 mm | D: 420 mm | B (pair): 123 mm | Ca: 332 kN | C0a: 1 160 kN | Mass: 64.1 kg
ACT056BDBd: 280 mm | D: 420 mm | B (pair): 123 mm | Ca: 393 kN | C0a: 1 290 kN | Mass: 64.1 kg
ACT060DBd: 300 mm | D: 460 mm | B (pair): 142.5 mm | Ca: 375 kN | C0a: 1 370 kN | Mass: 92.1 kg
ACT060BDBd: 300 mm | D: 460 mm | B (pair): 142.5 mm | Ca: 444 kN | C0a: 1 530 kN | Mass: 92.1 kg
ACT064DBd: 320 mm | D: 480 mm | B (pair): 142.5 mm | Ca: 378 kN | C0a: 1 420 kN | Mass: 96.9 kg
ACT064BDBd: 320 mm | D: 480 mm | B (pair): 142.5 mm | Ca: 449 kN | C0a: 1 570 kN | Mass: 96.9 kg

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